feat: add shared PgBouncer deployment

argocd/pgbouncer-app.yaml

@@ -0,0 +1,20 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: pgbouncer
+  namespace: argocd
+spec:
+  project: default
+  source:
+    repoURL: ssh://git@git-ssh.lunarfront.tech/ryan/lunarfront-charts.git
+    targetRevision: main
+    path: pgbouncer
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: pgbouncer
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true

pgbouncer/configmap.yaml

@@ -0,0 +1,25 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: pgbouncer-config
+  namespace: pgbouncer
+data:
+  pgbouncer.ini: |
+    [databases]
+    gitea = host=lunarfront-postgres-do-user-35277853-0.e.db.ondigitalocean.com port=25060 dbname=gitea user=gitea
+    windmill = host=lunarfront-postgres-do-user-35277853-0.e.db.ondigitalocean.com port=25060 dbname=windmill user=windmill
+
+    [pgbouncer]
+    listen_port = 5432
+    listen_addr = 0.0.0.0
+    auth_type = plain
+    auth_file = /etc/pgbouncer/userlist.txt
+    pool_mode = transaction
+    max_client_conn = 200
+    default_pool_size = 5
+    min_pool_size = 1
+    reserve_pool_size = 2
+    server_tls_sslmode = require
+    ignore_startup_parameters = extra_float_digits
+    log_connections = 0
+    log_disconnections = 0

pgbouncer/deployment.yaml

@@ -0,0 +1,51 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: pgbouncer
+  namespace: pgbouncer
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: pgbouncer
+  template:
+    metadata:
+      labels:
+        app: pgbouncer
+    spec:
+      containers:
+        - name: pgbouncer
+          image: pgbouncer/pgbouncer:1.23.1
+          ports:
+            - containerPort: 5432
+          volumeMounts:
+            - name: config
+              mountPath: /etc/pgbouncer/pgbouncer.ini
+              subPath: pgbouncer.ini
+            - name: userlist
+              mountPath: /etc/pgbouncer/userlist.txt
+              subPath: userlist.txt
+          resources:
+            requests:
+              cpu: 10m
+              memory: 32Mi
+            limits:
+              cpu: 200m
+              memory: 64Mi
+          livenessProbe:
+            tcpSocket:
+              port: 5432
+            initialDelaySeconds: 10
+            periodSeconds: 30
+          readinessProbe:
+            tcpSocket:
+              port: 5432
+            initialDelaySeconds: 5
+            periodSeconds: 10
+      volumes:
+        - name: config
+          configMap:
+            name: pgbouncer-config
+        - name: userlist
+          secret:
+            secretName: pgbouncer-userlist

pgbouncer/service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: pgbouncer
+  namespace: pgbouncer
+spec:
+  selector:
+    app: pgbouncer
+  ports:
+    - port: 5432
+      targetPort: 5432